skysight-inc/HackerNews huggingface dataset:
Excellent article Matt! I had lots of conversations around this at SMX earlier this year!

The challenge is finding a way to clearly segment your user groups that doesn't have the same flaw of grouping based on majority otherwise the benefits will just be averaged out.

For example, if I can figure out that the chance of someone belonging to user group A when arriving from source X is 70% then I'm still serving a potentially unoptimized UX to 30% of the users.

Obviously this isn't a problem for an app that can clearly segment its users!
That sounds exaggerated. A black market handgun will cost you like $700 in the States, and they're entirely legal here. (Felons, etc can't buy them, thus the black market)
Yes, I remember that.

And, of course, Reddit's promotion algorithm is anti-content.
Yes, I encourage you to ask where you can illegally purchase a firearm on Twitter. That will be extremely useful, at the trial.
W3C Outlines Plan to Finalize HTML5
Wouldn't prefetching actually bumps up the page view?
Agree but for now that is not the case, they still have a strong market out there and the recent iPhone 5 release is a good confirmation.
The printers might get better?

Also, is it conceivable that new gun mechanisms could be invented, optimized for plastic guns? Would the strain be less if you shot plastic bullets?

I don't know anything about gun physics (as is probably obvious).
What is this doing on the front page of HN? It isn't news, it isn't interesting technical content, and it isn't relevant to the tech business or startups.

It's literally just a funny picture. I love me some funny pictures, but not on Hacker News. Can we please keep this Reddit-style stuff from becoming a thing? I come here to read interesting things, not to browse through funny pictures for cheap laughs.
This was also cross posted to blogs.perl.org (http://blogs.perl.org/users/jeffrey_kegler/2012/08/domain-sp...) where comments can be made.
Funny, one of the biggest reasons I moved to android was precisely to escape itunes
There must be "automated caricature" software available?
Great work guys. Liked the video(s), the instructions are clear, you also set expectations well for shipping, etc. Plus, building your audience (and funding) through a kickstarter campaign is brilliant. I wouldn't worry about the "photo" style characters yet; scale first, excel at customer service, and then if needed, release a 2.0 foldable.me.
But for the moment having the minus of time, material, equipment, accuracy, money, reliability, etc. Plus, people can already make guns at home using fairly simple metalworking tools that are much less likely to fail badly than using 3d printed plastic. Or you could make a crossbow or something really basic. Is not that I don't see how certain people could be drawn to this idea, but other than as a pure engineering exercise, I really don't see the practicality, even to nutcases. Admittedly, nutcases might not be looking at this completely clearly however.
Who needs this junk?
+1 for "assertive riding" and "taking the lane when necessary"

Cyclists need to be assertive, ride a safe distance away from parked cars and the kerb (so you can't be doored or have pedestrians step out in front of you), and generally expect drivers NOT to see you, and take avoiding action just in case.

Sure, riding in the middle of the lane when necessary will annoy car drivers, but it will force them to see you and keep you safer.
You'll just have to accept that there can be a solid scientific concept without an explanation. Gravity is another example.
Online Python Tutor: Learn programming by visualizing code execution
Yeah, that's what I meant. The installation files will be in some inconsistent state, the filesystem itself will be fine.
SEEKING WORK - remote preferred (Porto Alegre, RS)

Linux, apache, nginx, php, rails, mysql, postgresql, html, javascript, css, wordpress etc.

Already working as a freelancer in Brazil for more than two years, and now work full time at a startup here.
I can do all the work for frontend and backend!

My rates outside Brazil are great, because I want to practice my English!

get in touch: marcus.m.sa@gmail.com or http://about.me/marcus_sa
This is criticism of HN, not a silly image. More than a few people were critical of HN in text and hit a brick wall. Maybe this will work better.
Just for the record, in ASP.NET you can use many tools to combine (and minify) scripts and stylesheets [1][2]. Generally, these do not require the use of a command line.

To be fair, the majority of .NET developers depend on the tooling provided by Microsoft, which consists mainly of Visual Studio. The tools from Microsoft go a long way to isolate developers from using the command line, although the recent addition of NuGet to the toolset has also introduced the Package Manager Console [3] inside of Visual Studio.

[1] http://www.nuget.org/packages/Microsoft.Web.Optimization

[2] http://www.nuget.org/packages/Cassette.Web

[3] http://docs.nuget.org/docs/start-here/using-the-package-mana...
As I understand it, it checks with the domain from the 'email address' to verify you. (air quotes because it needn't be possible to send email to the identifier). So it wouldn't make sense to have more than one way to verify one ID. If the site you're signing into is particularly sensitive, it could require a separate check - perhaps even a second BrowserID login from a different domain.
If it's not competitive, then let it lose in an open market instead of hobbling it with an unjustified sales ban.
It looks like this is a Python library. How can you use it to make an iOS app like the site claimes?
Analysis: Romney would send consumers healthcare bill, with benefits
SEEKING FREELANCER - local preferred (Sydney or Melbourne, Australia)

Involved (involved.com.au) is currently seeking a freelance Android developer to port an iPad app that we have developed for one of our larger clients. Native app development is a must, but we'll only be needing to test on a small number of more popular Android tablets.

What we love:

* Happy people

* Good attention to detail

* Solid coding chops

* Knowledge of the locations of good burgers and/or fries

Feel free to drop me a line at nicholas@involved.com.au - with github profile, resume, portfolio, or whatever you've got.
Hey TheVerge, what about WhatsApp?
The author describes 2 main contenders on the text-over-data worldwide cenarium: iMessage and Facebook Message.

I don't know how much it has spread worldwide, but here in Brazil, WhatsApp is by far the most used service.

Is it one of the brazilian-only phenomena?
Thanks Tony. There's loads we want to do with it in the coming months. As always though, better shipped than perfect.
Geoff Huston - The Concept of Quality of Service (video)
Paris, France - Full-time programmer - kigo.net

Kigo offers a SaaS application and network for use by professionals in the short-term rental market (tourism, business travel).

Newly funded, we are seeking to very talented programmers to be located in Paris, France. contact@kigo.net
Linkbait, this is "just" about following 600k RSS (and I guess Atom) feeds.
Rock on The compact disc turns 30
It uses cython, which means "Python compiled to C"

http://cython.org/
https://github.com/kivy/kivy-ios
I agree! On hindsight, I retract my earlier statement.
Thanks. Kickstarter's been a massive help. I think they'll get through the current backlash in a much stronger place.
This is freaking awesome well done guys. Would love to get these for our team and stick them on our kanban board instead of 2d south park characters!

EDIT: You should also make some animal shapes for pets!
I think it's reasonable to assume he did not introduce imaginary and transcendental numbers.
Launchtime is the time you pull your pants down...
Yeah, and it doesn't seem that interesting of an article either.
So for all those people who are launching their first product.. read this!
How to name a StartUp - The story of AdEspresso
I don't argue that Tent will succeed. I'm saying that they think bigger and they are effectively laying the ground work for an open infrastructure, whereby App.net is caught in the moment and works on a product. Think in terms of ideas behind each project. Tent's idea is so damn viable, it will survive Tent's own failure if it comes to that.
Remember, there's much less demand for guns here and ~20% less GDP per capita, plus those areas of manchester are particularly poor and the bullets are much more expensive as we don't stock them in the supermarket.
Open Hotel Rooms with a "Pen".
Seriously, PHP? Integrating that into your favorite editor?

Anyways. A tool to help you have clean CSS sounds cool.
Hi Guys, we'd like a little help from HN :) this is basicly our first blog post after going live with the new website last week at TechCrunch Italy.

I'd really like to have your feedback on the communication tone and content ... is it righr, interesting ? Is it too informal ?

Being based in Italy finding the right balance when blogging in english is not very easy so any help and suggestion would be really appreciated !
Why voice calls on 4g may suck at first
I can convince you that this pattern of lit-up phosphors looks grabbable by knowing what artists have long known about shadow and lighting to give such elements affordance (http://en.wikipedia.org/wiki/Affordance)—an appearance of tactile actionability.

Cognition and perception are remarkably similar across cultures because vision and physiology are remarkably similar across cultures. There's some trickiness regarding cultural implications (for example, colors carrying different connotations across cultures). Navigating and using this shared language to meet your design goals is far more likely to succeed when you're aware of the considerations and use (or break) them consciously.

This doesn't mean that all design should trend towards skueomorphism—conventions enter into this process, but convention isn't a nebulous affair either. If your audience isn't particularly specialized, you can rely on them being familiar with the UI conventions of their operating system, to a greater or lesser degree. This means that people will likley try to resize boxes from the lower right if you draw something that looks "grippy" there, unless they're at home in a RTL locale, in which case they might reach for the lower-left first. If you're overlaying resize controls onto a box, how are you going to draw those controls? Will you draw them outside your content—does your environment even allow you to do that? If you're drawing them on top, how do you ensure that they are easy-to-target without obscuring too much of the content? How do you deal with people who have poor sight or other vision defects like colorblindness? What about audiences who might have trouble using a mouse, like the elderly? What if your application has to serve all of these audiences at once? How would you even go about testing the decisions you make?

Of course there's subjectivity in how to execute this, but I've just led you through a thicket of constraints that affect your ability to communicate affordance using nothing but the illusion of pixels on a screen. Knowing what parts are science, what parts are convention, and how to effectively meet your design goals requires an understanding of the discipline. _Objectively_, without science your pretty interface might be pretty, but it might be a shitty interface, and you won't know the difference?
Ask HN:Should i quit my day job and work on this full-time?
www.moonberri.com
I think statistics say that you are much more likely
to be killed by a gun if you have a gun

Statistics from gun-control advocates, for what it's worth.
Sparrow alternatives (Mac)
So after Sparrow acquired by Google, I am looking for new alternatives (except Mail.app and Outlook). There was a product that will be going to be on beta stage few weeks ago, that I read a news about it on here also.

So what do you recommend?
Not for me- I get 10% to get the 5% so I have it anyway.

However, you could work from the 3 you've already used as the tripling in your model, then take 10% of that then 1/2 of that to get there. I've just never done it that way (these are things I just do without thinking too deeply about).
my point is merely that as written, the article is confusing.

to paraphrase: "hashtables are faster. here's some research showing b-trees are slower than hashtables. why would you ever use a tree? prefix matching, that's why."

which misses the point that the primary reason for using a B-tree as a general purpose database index is not about prefixes, it's about block devices (prefixes is an important reason, but it's not the main one)

if the purpose of the article was to ignore implementation and spinning disks and just look at in-memory performance, then don't mention B-trees. they're an implementation-specific optimisation, and it just confuses.
Trying...

I see more danger in a drm-only windows 8 than the one comming form the ipad. I mean, the ipad is going to hurt the sales, but microsoft cant hurt the core itself.

Think about vinyls. CD replaced them. But are alive. But what would happen if the manufacturers start to make dj tables without crossfaders?
> it's also a nice direction for iTunes from an Android user perspective.

What direction? He has no influence on Apple's decision.
I think there is a token being passed, but it's authentication, not identity. It's a signed declaration that you own that identity, and it must be either from the domain that issued it, or another source that the site you're visiting specifically trusts (i.e. Mozilla, at present).

I trust Mozilla to have done a good job of this. If there's a weakness, it's not going to be anything so obvious that you can see it from my stumbling attempts to describe the protocol. If it sounds like there is, I'm probably describing it wrong. Have a look at the details here: http://lloyd.io/how-browserid-works
I recommend to give Mail.app a second try.
They don't. These machines are not connected to the Internet in any way shape or form.
Guns are pointless defensively for anything barring a very narrow range of situations. If you are really that worried, get a big stick, it is far more likely to be useful and you aren't going to get arrested, shot, or accidentally blow off bits of yours or other people's anatomy. Better yet, cheer up and stop worrying about the possibility of some kind of apocalypse, and if it does happen, and you have a 3d printer and a load of material, may I suggest you start with water filters and simple pumps rather than weaponry.
It's a great idea. Impressed.
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Love it. Surprisingly cheap too. I've ordered three and can't wait to see them!
Maybe this could be a crowd sourceable feature. Someone on mechanical turk or crowdflower or 99 designs could take a photo and create your character and send the design back to you which you can print later.
My perspective :).Sorry for misunderstanding.
Should buy the .com
Yes entirely. This is not marketing - this is experience.

If you pick decent host machines and decent hardware (read WHQL + decent brand) to plug in then you're sorted.

Buy some shitty B-grade clone crap and you will suffer.
i have one, any chance I'll ever get to see the copy i bought, considering paypal won't return my money?
New Design for Nyan Cat
You will be surprised how much effort goes into executing 'trivial ideas'.
Try: http://skimfeed.com
Unless some evil genius has captured some global landmarks that is no ordinary London skyline!
Very nice. But your preview visualization uses what I assume to be close to final art, including all the flaps and all. With web inspector (and some curl) I was able to extract all the layers, combine them together, and get a printable file: http://cl.ly/JprN

I'm sure most of HN visitors would be able to do the same. Not sure if you should patch it, though: your target audience will surely won't do things like that, and visualization is already a complex beast.

Anyway, thanks for the free foldable design (:
Facebook Graph API exploit that let's you pump up to 1800 'Likes' in an hour
Nathan, you should probably think of removing part of the description from your Gumroad page, as just about anyone can easily grab the zip file without paying for it.

view-source:https://gumroad.com/l/AppDesignComplete
Yeah agree, they know how to market their stuff. (Maybe Alpha is a marketing instrument after all? ;))

However I think for this problem, and many others, mastering a general purpose programming language is much more efficient. After all you can pipeline symbolic expressions to Mathematica - or Maple >:) - and you have the best of both worlds. Or you just use Ruby or another highly expressive language - the syntax of simple symbolic expressions is basically the same.
Play 2.1 Unveiling new Scala Json API Part2 : Writes/Format combinators
Thanks a lot! We´ve put our harts and souls in this.. Bootstarping!
I like that this allows sharing templates between ich and the server. Will you offer pre-compilation and i18n support?

I'm working on a template language; none of the ones I have found support everything listed on this README:
https://github.com/meric/crater/blob/master/README
(Well there's jade on node.js but I'm not sure it'll work for anything other than HTML)

EDIT: it looks like this: https://github.com/meric/crater/blob/master/src/example.html
There's the new MailPilot http://www.mailpilot.co/
There is a token that's passed. The web site gets an email address and a string called "an assertion" that they must verify.

If Gmail suddenly started verifying instead of Persona for @gmail.com addresses, the web site would see the email address as exactly the same so should give access to the same account.

They would then start verifying that "assertion" using Gmail and not Persona. It would be verified and hence secure.
The insinuation is erroneous and pernicious? Spoken like a liberal arts graduate! (I should know, I am one.)
well, yes. CSS has variables syntax too (http://dev.w3.org/csswg/css-variables/) but for the time of compiling you don't know anything about the runtime, so you can't calculate things like "10em + 5px" 'cause EM's absolute value depends on many things, so I had to separate "real" css calculations and "fake" ones
Blogging on bioshock infinite
Do you know about "git log -S symbol"? It will show the first commit that defined the symbol at the bottom of the output.
Ordine dal caos, as they say in Italian.
Installing Lighttpd With PHP5 (PHP-FPM) And MySQL Support On OpenSUSE 12.2
For instance, there're several people doing drawings and caricatures on fiverr[1] for 5 bucks.

[1] http://fiverr.com/categories/graphics-design/create-cartoon-...
Just wanted to add, that this hack was verified for external links and pages - it's still to be tested whether it could be applied to FB comments, pages or apps.
Ins't PHP still the most used language for WebApps?
Well it sounds like personal development wouldn't change too much from start up life should I need to go into industry, I'm improving my maths and systems level knowledge in my spare time as it is.

Thanks for the link, I'll take a look around. The current gap complaints you mention don't surprise me, I covered aspects of that in my undergrad but it was brief and fleeting and I promptly forgot a lot of it during my phd (high temperature semiconductors).
thanks klash for bringing the people together again and not seperating them! thats what i call app,
all the best
here you go http://cl.ly/image/0j3i3C2q003U :)
> I don't see how that gets as much ire as it does

Because it's the straw-man.
A behind-the-scenes look at LinkedIn’s mobile engineering
“I’ve Barely Prepared for This Debate. Gonna Wing It”—Mitt Romney
That's the reason why I left it out of that list. I initially was going to mention it :-)
Market share is irrelevant to apple. Market share can be bought if you throw enough money at it (See Microsoft's and Nokia's attempts).

As the only people making money from mobile is Samsung and Apple I doubt apple care about market share stats.

The iTunes eco system is there to sell hardware not to make apple tons of money.
Why on earth do they shy away from saying the word "Python" anywhere? Seems pretty relevant, considering it's a Python library. It's a pretty important fact for potential users, and one they would probably want to know sooner rather than later.

Personally, any sense of excitement and discovery I had upon visiting the front page was killed pretty flat when I spent a couple of minutes skimming the front page for what it's a library for, visiting 'About' and 'Docs', returning to the front page for a closer look, and finally figuring it out by taking a look at the sample source and noticing the reference to Cython.

The Github readme is much denser, and I think a lot of people would prefer this intro:

> Kivy is a Python library for development of multi-touch enabled media rich applications. The aim is to allow for quick and easy interaction design and rapid prototyping, while making your code reusable and deployable.

> Kivy is written in Python, based on OpenGL and supports different input devices such as: Mouse, Dual Mouse, TUIO, WiiMote, WM_TOUCH, HIDtouch, Apple's products and so on.
Once more unto the breach: AMD’s Trinity takes on Intel’s Ivy Bridge
SEEKING WORK Data geek / data scientist in Munich,Germany or remote

Implementation of web apps using Python/ Django, doing data related tasks in R, experience in Semantic web & natural language processing using python-based NLTK. Machine learning based on Hadoop and Twitter Storm.
DBs: Postgres, MySQL and MongoDB

Deployment experience in Heroku
I'm looking for new ones too!! Will check out mailpilot now
I wish the best for Firefox OS, because we need it badly, but Mozilla will had to improve its relationship with developers. I spent a lot of time for an app in XUL and feel betrayed when Mozilla removed native support for webapps in FF 4. Another point that worries me is the rapid release cycle. Most app developers are small teams and I wouldn't bet on a platform that change every six weeks, following iOS and Android every six months is painful enough.
Bitcoin Non-Technical FAQ
Well, this addresses atleast some of the issues regarding the future of python that someone else was worrying about a few days ago on HN. Kivy promises to be fast (which is usually the main sourpoint for the be-all do-alls)

"""
Kivy is fast. This applies to both: application development and application execution speeds. We have optimized Kivy in many ways. We implement time-critical functionality on the C level to leverage the power of existing compilers. More importantly, we also use intelligent algorithms to minimize costly operations. Most importantly, we use the GPU wherever it makes sense in our context. The computational power of today’s graphics cards surpasses that of today’s CPUs by far for some tasks and algorithms, especially drawing. That’s why we try to let the GPU do as much of the work as possible, thus increasing performance considerably.
"""

Itching to try!
You won't believe how nice Notch's office is
How to Build a Blog Readership
Free font icons - nosql dbs, linux distros & browsers
The Pitfalls of Cut and Paste Coding